Seiko Cal. 5660 - 254

Seiko 5660-254

The Seiko 5660-254 represents an important milestone in Seiko's 1980 lineup. Powered by the 5660 caliber with 36j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-3773209fdc06]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Solar
Case Material
Titanium
Case Width
42mm
Case Thickness
12.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Black
Jewels
36j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1980

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seikata-wm-3773209fdc06